luci-app-ssr-plus: add clean subscribe cache fuction

luci-app-ssr-plus/Makefile

@@ -4,7 +4,7 @@ LUCI_TITLE:=luci-app-ssr-plus
 LUCI_PKGARCH:=all
 PKG_NAME:=luci-app-ssr-plus
 PKG_VERSION:=190
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_CONFIG_DEPENDS:= \
 	CONFIG_PACKAGE_$(PKG_NAME)_INCLUDE_NONE_V2RAY \

luci-app-ssr-plus/luasrc/model/cbi/shadowsocksr/servers.lua

@@ -118,6 +118,7 @@ o.inputstyle = "reload"
 o.description = translate("Update subscribe url list first")
 o.write = function()
 	uci:commit("shadowsocksr")
+	luci.sys.exec("rm -rf /tmp/sub_md5_*")
 	luci.http.redirect(luci.dispatcher.build_url("admin", "services", "shadowsocksr", "servers"))
 end